Audio modelPreview

Gemini 3.1 Flash TTS

Google

Profile

Specifications and access

Published information about this model. Existing estimates are explicitly labeled.

Specification	Value and source
Model class	Text-to-speechSource
Access	APISource
API model ID	gemini-3.1-flash-tts-previewSource
Input	TextSource
Output	AudioSource
Task	Speech generationSource
Supported details	Steerable prompts and tagsSource

Evidence

Every statement links to its underlying documentation or leaderboard.

Type	Evidence and data date
Additional source	Google Gemini API model catalog (retrieved September 22, 2026)